geological time scaLE

Question 1

What are the 4 Eons?

Answer 1

Hadean, Archaean, Proterozoic, Phanerozoic

Question 2

Eras - Hadean

Answer 2

none

Question 3

Eras - Archaean

Answer 3

Eoarchaean, Palaloarchaean, Mesoarchaean, Neoarchaean

Question 4

Eras - Proterozoic

Answer 4

Palaeoproterozoic, Mesoproterozoic, Neoproterozoic

Question 5

Eras - Phanerozoic

Answer 5

Palaeozoic, Mesozoic, Cenozoic

Question 6

What is the eon and era of the period Ediacaran?

Answer 6

Eon- Proterozoic

Era- Neoproterozoic

Question 7

What are the periods of the era Palaeozoic (eon Phanerozoic)?

Answer 7

Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian

Question 8

What are the periods of the era Mesozoic (eon Phanerozoic)?

Answer 8

Triassic, Jurassic, Cretaceous

Question 9

What are the periods of the era Cenozoic (eon Phanerozoic)?

Answer 9

Paleogene, Neogene, Quaternary

Question 10

What are the epochs of the Jurassic period(Era Mesozoic, Eon Phanerozoic)?

Answer 10

Lower, Middle, Upper

Question 11

What are the epochs of the Cretaceous period (Era Mesozoic, Eon Phanerozoic)?

Answer 11

Lower, Upper

Question 12

What are the epochs of the Paleogene period (Era Cenozoic, Eon Phanerozoic)?

Answer 12

Paleocene, Eocene, Oligocene

Question 13

What are the epochs of the Neogene period (Era Cenozoic, Eon Phanerozoic)?

Answer 13

Miocene, Pliocene

Question 14

What are the epochs of the Quaternary period (Era Cenozoic, Eon Phanerozoic)?

Answer 14

Pleistocene, Holocene

Question 15

What is the eon, era, period and epoch of the age Kimmeridgian?

Answer 15

Eon - Phanerozoic
Era - Mesozoic
Period - Jurassic
Epoch - Upper

Question 16

What is the eon, era, period and epoch of the age Aptian?

Answer 16

Eon - Phanerozoic
Era - Mesozoic
Period - Cretaceous
Epoch - Lower

Question 17

What is the eon, era, period and epoch of the age Albian?

Answer 17

Eon - Phanerozoic
Era - Mesozoic
Period - Cretaceous
Epoch - Lower

Question 18

What is the eon, era, period and epoch of the age Maastrichtian?

Answer 18

Eon - Phanerozoic
Era - Mesozoic
Period - Cretaceous
Epoch - Upper

Question 19

What is the eon, era, period and epoch of the age Danian?

Answer 19

Eon - Phanerozoic
Era - Cenozoic
Period - Paleogene
Epoch - Paleocene

Question 20

Stromatolites

Answer 20

Archaean time to recent

but were most common during Precambrian time

Question 21

Palaeozoic fossil (6)

Answer 21

Trilobites, bachiopods, crinoids (echinoderms), orthoceratites (molluscs), graptolites and coral.

Question 22

Trilobites

Answer 22

Cambrian to Permian

Exclusively Palaeozoic!

Question 23

Brachiopods

Answer 23

Cambrian to recent

Most common during Palaeozoic time

Question 24

Crinoids (Echinoderms)

Answer 24

Cambrian to recent

Most common during Palaeozoic time

Question 25

Orthoceratites (Molluscs - cephalopods )

Answer 25

Ordovician to Triassic | Mainly Palaeozoic

Question 26

Graptolites

Answer 26

Cambrian to Carboniferous | Exclusively Palaeozoic!

Question 27

Corals

Answer 27

Palaeozoic to present (different types at different times)

Question 28

Mesozoic fossils (6)

Answer 28

Ammonites, Belemnites, Land plants, Echinoids, Gastropods, Bivalves

Question 29

Ammonites (Molluscs - cephalopods)

Answer 29

Devonian to Cretaceous. | Most common during Mesozoic time

Question 30

Belemnites (Molluscs - cephalopods)

Answer 30

Devonian to recent. | Exclusively Mesozoic!

Question 31

Land plants

Answer 31

Silurian to recent. | Most common during Mesozoic and Cenozoic time

Question 32

Echinoids (Echinoderms )

Answer 32

Ordovician to recent | Most common during Mesozoic and Cenozoic time

Question 33

Gastropods (Molluscs )

Answer 33

Cambrian to recent | Most common during Cenozoic time

Question 34

Bivalves (Molluscs )

Answer 34

Cambrian to recent | Most common during Cenozoic time

Question 35

Dinosaurs

Answer 35

Exclusively Mesozoic!

Question 36

Conodonts

Answer 36

Cambrian to Triassic | mainly Palaeozoic

Question 37

Radiolarians

Answer 37

Cambrian to present | Palaeozoic, Mesozoic, Cenozoic

Question 38

Foraminifers

Answer 38

Cambrian to present | Palaeozoic, Mesozoic, Cenozoic

Question 39

Pollen and spores

Answer 39

From Silurian

Question 40

Ostracods (Crustacean)

Answer 40

Cambrian to recent | Most common during Cenozoic time

Question 41

Silicoflagellates

Answer 41

Cretaceous to present

Question 42

Diatoms

Answer 42

Cretaceous to present

Question 43

Coccoliths

Answer 43

Triassic to present